Parichart Kumcheen. 2009. Behaviors to obtain knowledge of Backward design : a case study of English teachers in government secondary schools in Bangkok. Bangkok:Thammasat University; DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.res.2009.38
Parichart Kumcheen. (2009) Behaviors to obtain knowledge of Backward design : a case study of English teachers in government secondary schools in Bangkok (รายงานผลงานวิจัย). Thammasat University:Bangkok. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.res.2009.38
Parichart Kumcheen. Behaviors to obtain knowledge of Backward design : a case study of English teachers in government secondary schools in Bangkok. Bangkok:Thammasat University, 2009. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.res.2009.38
Parichart Kumcheen. (2009) Behaviors to obtain knowledge of Backward design : a case study of English teachers in government secondary schools in Bangkok (รายงานผลงานวิจัย). Thammasat University:Bangkok. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.res.2009.38